🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.04 AU - 1.12 AU

Year: 391 Days

Day: 40.7 Hours

Environment

Temp: 87 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.24 AU - 1.4 AU

Year: 528 Days

Day: 13.8 Hours

Environment

Temp: 1 °C

Axial Tilt: 40 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.47 AU - 2.35 AU

Year: 919 Days

Day: 46.4 Hours

Environment

Temp: -39 °C

Axial Tilt: 109.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 111,091,831 km

• M1: 793,168 km (0.066 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.27 AU - 4.35 AU

Year: 2590 Days

Day: 31.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.9

Radius: 8.3

Gravity: 14.21 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.57 AU - 8.63 AU

Year: 6588 Days

Day: 8.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 111,091,831 km

• M1: 103,223 km (0.102 R)
• M2: 414,984 km (0.096 R)
• M3: 1,317,957 km (0.118 R)
• M4: 1,881,642 km (0.091 R)
• M5: 2,358,410 km (0.08 R)
• M6: 3,436,562 km (0.107 R)
• M7: 3,769,567 km (0.065 R)
• M8: 4,418,373 km (0.028 R)
• M9: 5,705,364 km (0.114 R)
• M10: 6,667,727 km (0.076 R)
• M11: 7,734,509 km (0.102 R)
• M12: 8,017,997 km (0.104 R)
• M13: 8,477,711 km (0.082 R)
• M14: 10,154,255 km (0.037 R)
• M15: 10,692,508 km (0.103 R)
• M16: 11,773,053 km (0.114 R)
• M17: 13,673,993 km (0.117 R)
• M18: 14,635,908 km (0.112 R)
• M19: 16,031,057 km (0.077 R)
• M20: 16,493,016 km (0.098 R)
• M21: 18,073,667 km (0.1 R)
• M22: 20,591,549 km (0.094 R)
• M23: 25,233,271 km (0.098 R)
• M24: 30,427,459 km (0.105 R)
• M25: 31,855,071 km (0.099 R)
• M26: 36,860,018 km (0.102 R)
• M27: 40,028,949 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517

Radius: 13

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.92 AU - 8.82 AU

Year: 6968 Days

Day: 8.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 111,091,831 km

• M1: 162,014 km (0.077 R)
• M2: 587,920 km (0.072 R)
• M3: 1,433,596 km (0.051 R)
• M4: 1,849,179 km (0.107 R)
• M5: 2,446,374 km (0.115 R)
• M6: 3,441,499 km (0.083 R)
• M7: 4,153,435 km (0.077 R)
• M8: 5,272,876 km (0.096 R)
• M9: 6,061,107 km (0.119 R)
• M10: 7,425,590 km (0.084 R)
• M11: 7,910,436 km (0.106 R)
• M12: 8,779,450 km (0.089 R)
• M13: 9,754,978 km (0.115 R)
• M14: 10,383,439 km (0.103 R)
• M15: 13,333,359 km (0.12 R)
• M16: 13,827,930 km (0.101 R)
• M17: 15,746,971 km (0.094 R)
• M18: 16,929,542 km (0.078 R)
• M19: 18,036,866 km (0.049 R)
• M20: 19,122,647 km (0.102 R)
• M21: 22,719,578 km (0.098 R)
• M22: 23,189,016 km (0.084 R)
• M23: 28,607,152 km (0.052 R)
• M24: 29,154,830 km (0.069 R)
• M25: 34,095,748 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 13.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.3

Radius: 11.5

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 11.21 AU - 15.41 AU

Year: 16911 Days

Day: 6.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 111,091,831 km

• M1: 145,260 km (0.094 R)
• M2: 555,457 km (0.085 R)
• M3: 1,450,351 km (0.108 R)
• M4: 2,072,080 km (0.105 R)
• M5: 2,720,138 km (0.107 R)
• M6: 3,197,505 km (0.114 R)
• M7: 3,819,832 km (0.118 R)
• M8: 5,307,134 km (0.089 R)
• M9: 6,522,467 km (0.065 R)
• M10: 8,734,272 km (0.067 R)
• M11: 9,219,418 km (0.034 R)
• M12: 20,009,912 km (0.062 R)
• M13: 20,759,547 km (0.038 R)
• M14: 22,314,916 km (0.093 R)
• M15: 23,223,125 km (0.049 R)
• M16: 28,723,838 km (0.115 R)
• M17: 33,837,243 km (0.048 R)
• M18: 36,816,634 km (0.038 R)
• M19: 40,558,077 km (0.114 R)
• M20: 47,951,503 km (0.092 R)
• M21: 51,179,227 km (0.103 R)
• M22: 53,469,271 km (0.051 R)
• M23: 62,716,215 km (0.06 R)
• M24: 69,937,304 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.3

Radius: 7.6

Gravity: 14.7 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 18.81 AU - 21.65 AU

Year: 31687 Days

Day: 22.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 111,091,831 km

• M1: 94,695 km (0.1 R)
• M2: 880,084 km (0.078 R)
• M3: 1,667,567 km (0.078 R)
• M4: 2,303,658 km (0.083 R)
• M5: 3,243,731 km (0.086 R)
• M6: 4,418,822 km (0.1 R)
• M7: 4,935,533 km (0.098 R)
• M8: 5,359,942 km (0.115 R)
• M9: 5,671,405 km (0.101 R)
• M10: 7,145,243 km (0.075 R)
• M11: 7,970,724 km (0.038 R)
• M12: 9,744,506 km (0.099 R)
• M13: 10,550,091 km (0.108 R)
• M14: 11,040,024 km (0.119 R)
• M15: 11,766,321 km (0.043 R)
• M16: 12,993,921 km (0.034 R)
• M17: 15,255,692 km (0.043 R)
• M18: 17,091,557 km (0.113 R)
• M19: 18,561,655 km (0.034 R)
• M20: 20,434,770 km (0.088 R)
• M21: 23,357,912 km (0.102 R)
• M22: 28,515,149 km (0.086 R)
• M23: 31,286,001 km (0.108 R)
• M24: 34,079,891 km (0.104 R)
• M25: 35,771,244 km (0.062 R)
• M26: 37,356,533 km (0.083 R)
• M27: 38,823,041 km (0.094 R)
• M28: 41,008,367 km (0.102 R)
• M29: 46,921,522 km (0.108 R)
• M30: 61,519,132 km (0.11 R)
• M31: 73,438,941 km (0.061 R)
• M32: 77,293,929 km (0.048 R)
• M33: 82,640,706 km (0.082 R)
• M34: 87,375,030 km (0.108 R)
• M35: 87,943,651 km (0.078 R)
• M36: 92,581,634 km (0.1 R)

Kuiper Belt

Range: 31.5 - 52.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 17,599 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit